Printing press



June 17, 1930. B. c. STICKNEY 1,763,679

PRINTING PRESS Filed March 27. 1926 s Sheets-Sheet 1 5 Sheets-Sheet 2PRINTING PRESS B. c. STICKNEY Filed March 27,

June 17, 1930.

B. C. STICKNEY PRINTING PRESS June 17, 1930.

Filed March 27, 1926 5 Sheets-Sheet 3 June 17, 1930. a. c. STICKNEYPRINTING PRESS Filed March 27. 1926 5 Sheets-Sheet 4 i/n/y i l if I 290\NVENTDR W June 17, 1930. B. c. STICKNEY PRINTING PRESS Filed March 27.1926 5 Sheets-Sheet 5 IN VEN TOR mum 3N Patented June 17, 1930 UNITEDSTATES 3mm 0. STICUEY, OI HILLSIDE, NEW JERSEY 'ranrrnmmss Applicationfiled 1mm :7, me. man Io. 07,046.

This invention relates mainly to web-perfecting rotary printing presses,especially those in which stereotypes or electrotypes curve around arevolving cylinder.

For printing forms in repetition along a web, especially where there areseveral forms side by side, as, for example, in printing fanfold webs orother continuous stationary, it is usual to emplo a printin cylinder ofsuch diameter that it can be use to advantage for a certain limitedassortment of sizes of forms. The length of the a e often equals thecircumference of the cylin er; sometlmes it is half the circumference,sometimes a third, or a fourth. Accordingly one, two, three or foursimilar forms are printed repetitiously at each revolution of thecylinder.

This 'ves an enormous output in a short time; ut there is the drawbackthat it becomes necessary to duplicate, triplicate or quadruplicate theelectrotype page several times. This is obvious, since the travel of theweb at each revolution must exactly equal the circumference of thecylinder, and hence it is necessary to fill u the web with printedmatter for substantially its entire travel. There is incurred expenseand delay in preparing the duplicate electrotypes or stereotypes, and inadjusting and making read the duplicates upon the type cylinders.oreover, it is usual for the web to pass through a second printingcouple to perfect the same,

and registry must be secured of the rinting on one side of the web withthat on t e other side. This is especially true where the work isintended for use in typewriti machines, inasmuch as a web is usually foled longitudinally into many plies, all of which are manifolded by thetyfiewriting machine, and hence the lines or blan s thereon must be inregister throughout the width of the web, on both its sides. Usually thetime during which the press is revolving is very small in comparisonwith the length of time required to get the press ready.

One of the main ob'ects of the invention is to overcome thesedificulties, and make it practicable to print forms of any size on a weband rfect the web, while securin accurate register, and even using onlyone rm without duplication, thereby reducing the cost of electrotypingor stereotyping, and shortenin the time required for gettin the pressrea y. While in thus printing om single forms the press may lack thegreat pro- 5 ductive capacity of the presses which use duplicate forms,still the improved presswill operate at sufiiclently high speed forpracticable purposes, and it can be made read in much less time thanusually required. oreover, in some cases it is feasible to use duplicateforms on theimproved press, if so desired.

In order to avoid the necessity of using a form which is equal to theentire cylinder cir- 66 cumference, or else to an ali uot fractionthereof, the expedient is devise of stopping the web at the conclusionof each impression, and permitting the cylinders of the printingcouples, etc., to revolve idly, each cylinder 70 completing itsrevolution and arriving at the point where the impression of the next tform on the web is to be 'n, whereupon t 0 web starts up again, antravels in unison with the printing couples, until the conclusion of therinting thereon of a second transverse row of the same forms, whereuponthe web is again snubbed, and so on. Thus a form of any dimension may beemployed, whether an aliquot or aliquant portion of the circumference ofthe printin cylinder.

In order to cut own the time in which the web intermittently standsidle, the diameter of the cylinders in the printing couples is reducedbelow the point usual in web-perfecting presses, say to 'a diameter of 6or 8 inches, thus permitting a maximum form length of say 15 to 20inches, and also permitting the use of duplicate forms, if desired, insome cases. But the forms may be used singly of 50 any circumferentialextent with the capacity of the cylinder.

The power device for intermittently advancing the web is located at thedelive side ofthe perfecting printin couple, an is in the form of f-rolls, w eh are constantly revolving at the same speed as the printingcouples, and which are separated automatically at intervals by means ofa cam. Both feed-rolls constantly revolve, even while they areseparated, so that they act accurately on the web. It will be understoodthat one cam may be substituted for another, both for arresting andstartin the sheet, so as to accommodate forms 0 different lengths.

The web is stopped after the im ression of each form, and held stilluntil t e completion of the revolution of the printing couple, whereuponthe web advances to print the next form. The stopping device may becontrolled by a single circular cam connected to the driving gear of thepress. At the delivery end of the press the power feed-roll devicealternately grips the web to advance it synchronously with therevolutions of the printing couples, and then releases the web at thecompletion of the printing of each form. This clamping and releasing ofthe web-feeding rolls may be timed properly with reference to theclosing and opening of the webstopping device at the introductory end ofthe machine.

Power rolls feed the web steadily into the press from the sup ly-spool,and a take-up roll distends a we Hoop that forms between said in-feedingrolls and the devices which control the intermittent feeding movementsof the web. Similar power rolls deliver the web from the press. Both thein-feed and the out-feed rolls run uniformly and equally, but at lowerspeed than the printing cylinder. The s eed of said slow rolls isregulatable to accor with the rate at which the web is filled up by theprinting forms.

The printed web may loop idly before it reaches said delivery rolls. Oneof the delivery rolls may be provided with serrated knives for producinglongitudinal lines of perforation in the web, or otherwiselongitudinally cutting or weakening the same.

The delivery rolls may be connected b gearing to the intake rolls, sothat the we may be delivered from the press for rewinding or otherpurposes at the same s eed as it is taken into the press. This speeneeds to be varied to accommodate forms of different lengths, as thespeed will be less where the form is short. For this purpose there maybe used a speed-regulating device, as, for instance, a pair of cones anda belt, one of the cones being driven from the driving train of thepress.

In order to provide for proper registry when perfecting the web, so asto accommodate variations in the lengths of the type forms, there isprovided between the two type cylinders a compensator, which is notsimply the usual corrective device, but has an extraordinary range ofsweep or adjustment,

the length of idle web between the printing cylinders being made therebyto equal a multiple of the form length, whatever the latter may be.While this idle length of web, for example, may consist of four lonforms. in one position of the compensator, it may consist of a dozenshort forms in another position of the compensator. Or the compensatormay be set to increase or decrease the length of idle web to five formsof another length, or six forms of still another length, or a greaternumber of forms of other lengths. In other words, thedistance from theprinting point of one couple to the printing point of another printingcouple is fixed, and the length of each form is nsuall aliquant to saiddistance, but the length 0 the idle web between said printing polnts maybe varied by said com ensator, so that the length of each form s all bean aliquot part of said length of idle web.

Another aliquot compensator,in the form of a power-driven roll, isprovided in a loop or web between the second printing couple and thetransverse perforating couple. It is preferred to permit'adjustment andalso keep this compensator constantly revolving, and hence it is carriedupon arms mounted upon a rock-shaft, and upon the rock-shaft is a gearwhich drives a gear upon the compensator-shaft; said driving gear beingconnected in the driving train of the press, so that at all positionsthe compensator is powerdriven.

Io insure proper registration of the forms on the same cylinder, andalso to rovide for simple and quick placing of the orms upon thecylinder, it is a feature of the invention that the entire set of formsfor each cylinder is stereotyped or clectrotyped in one piece, thecasting curving considerably more than half way around the cylinder. Ifan electrotype, it may be cast flat and then converted into a tubularshape by rollers. The type tube is slipped endwise upon the cylinder,the slot in the tube being of suflicient width to enable it to pass overa neck or arm on the framework, in the end of which the printingcylinder is journaled. After the form is thrust upon the cylinder, it isrotated independently thereof to bring it to right rinting positionthereon, and then it may be lield on by means of straps or otherwise.All of the type forms being originally placed in a single chase and sostereotyped or electrotyped, it is evident that the forms on eachcylinder may be made in perfect register with one another as apreliminary to stereotyping or electrotyping, and that the sameregistration will persist at the printing operation, thus reducing thecost of making the press ready, and reducing its idle periods.

The stereotype or electrotype forms are preferably held on the cylindersby means of straps, which are tightened around the forms by means ofnuts, to which the two ends of each strap are attached. The nuts arethreaded upon screws, which are rotated so as to tighten the strap. Eachstrap with its connections is bodily adjustable along the cylinder, andas many straps being employed as may be required. Since all of the formsin each tube are a single unit, they maintain their relativearrangement, so that one adjustment of a single tube suffices for allthe forms. Auxiliary tube-fastening devices may be employed if desired.

To solve the problem of accommodating fan-fold webs, which in some casesmay be nine feet in width, while using a printing cylinder of smalldiameter and a cylinderaxle which is weak in proportion to its length,there is devised a midway stiffening journal for each of the cylindersin each printing couple. That is, each of the four cylinder-shafts has arigid support about midway between its ends, this support being fixedupon the framework of the press, whereby the lengthy shaft is preventedfrom springing at its middle from the pressure of the printin operation.This central support is ma e possible, notwithstanding that the press iscapable of printing a fan-fold web filling the entire width of thepress, by taking advantage of the fact that in the fan-fold weberfectingoperation, the impressions of the orms fall alternately upon oppositefaces of the web, considered transversely thereof; or in other words,each fold of the fan-folded web is usually printed on only one face. Themidway supports for the cylinders in one couple are therefore placedwhere they will occupy one of the unprinted columns about midway of theweb. The midway supporting arms for the cylinders in the other printingcouple are placed at a point where no printing is done upon the oppositeface of the fanfold web. One set of cylinder-supports is thereforeoifset relatively to the other set of midway supports, but neverthelessthe entire fan-fold web can be printed. If it is desired to print uponall parts of a web, then the width of the web should not exceed four orfive feet; a single sheet being capable of passing by the midway suports or arms. Any width of fan-fold web between four feet and nine feetmay be printed by arranging the midway typed forms first with properreference to said supporting arms, and then proceeding to add the formsto the left and right for the full width of the web, whatever it may be.

There may be run through the press either a web of a width to fill theentire press, or two single-width webs side by side, or one single-widthweb upon either side of the ress. For said wide web the two sections ofthe aliquot compensator between the printing couples may be brought intoexact register, so as to serve as a single compensator while each may beadjusted independently of the other for narrow webs. Each side of thepress has its own iii-feeding and out-feeding slow rolls, aliquotcompensators, intermittent web-feeding devices, etc., permitting suchadjustment that long forms may be printed upon one web, while shortforms are being printed upon another web, the adjustment at each side ofthe press being independent of that at the other side. For example, athousand feet of web may be delivered by the press at one side, whilefive hundred feet are being delivered by the other side, notwithstandingthat the printing couples move in unison throughout the press.

It will be understood that at each side of the press there may beprinted either one web or a series of narrow webs or ribbons side byside upon unlike webs, for the purpose of assembling them all into asingle multiple-ply web after delivery thereof from the printing press;or entirely unrelated jobs may be taken printed on one side of thepress, while other unrelated jobs are being printed on the other side ofthe press, the forms on each side being all of one length.

In providing for the printing of two webs side by side, one at each sideof the midway supports, provision is made for independentaliquotcompensation of the web at one side from that of the web at theother side of the press. Therefore, the aliquot compensator arrangedbetween the printing couples is divided into left-hand and right-handsections, each adjustable independently for the printing of forms ofdifferent lengths; and the same is true of the aliquot compensatorbetween the second printing couple and the transverse perforatingcouple; whereby one web may be printed with long forms and fed rapidlythrough the press, while another web may be printed with short forms andfed more slowly through the press, all of the aliquot compensators oneach side of the press being independent of those on the other side. Thecompensating device between the second printing couple and thetransverse perforator couple may be in the form of a cylinder or roll,which is power-driven and therefore constantly revolving; but the paperremains stationary at the required intervals. inasmuch as it rests butlightly upon this revolving compensator, and is not unduly tensioned ordragged thereby.

In preparing the impression cylinder for printing, a sheet or wrappingof strong hard paper may be cemented upon the cylinder for its entirelength. Upon this may be cemented a vulcanized pure-rubber blanket whichis highly tensioned and therefore extremely hard. Upon this rubberblanket may be cemented another sheet of tough hard paper, and upon thissecond sheet may be cemented a second layer of highly tensioned softvulcanized pure rubber; the ends of all being secured in a depression inone side of the cylinder. This blanket may be encased smoothly in alayer or layers of lead, which may be thin, as, for instance, tea lead,or it may be thicker and more substantial, and may form aself-sustaining segment of a tube.

Over this lead layer may be wrapped a layer of thin highly tensionedrubber, and over this rubber may be placed one or two la ers of strong,smooth tympan paper. The e ect is to bring out the lines of the types,making the printing very clear, without liability of smearing orsmudging, and to compensate in large measure for unevennesses in theheights of the types, and for wear or slight injury to the t pes; and inman cases overlaying and unzferlaying will be ound unnecessary, and inan case the time required therefor may be substantially reduced.

A press is also adapted for economical book-printing, even for runs ofmoderate length, inasmuch as the make-ready operation is shortened bythe use of the lead, which is hard so as to insure the proper degree ofpressure between the type and the paper, which is also suflicientlyplastic to accommodate itself to inaccuracies in the height and surfaceof the types, whereby clear type-impressions are secured. The rubbercushion under the lead conduces to bringing up the type-impressionsclearl and also to reducing or avoiding the indllnting or peening of thelead b the type-im ressions, whereby the same lead can be used for longruns, and even can be used for a succession of runs of different kindsof work, so that a new lead layer or tube is not necessary for each newjob on the press. The outer layer of rubber also tends to brin up thetype clearly, both la ers of rubber ein very hard, because 0 theirtensioned con ition, so as to secure the proper ressure of the type uponthe work-web, w ile said rubber layers, notwithstanding their hardness,are yielding and elastic. These two layers of rubber and interveninglayer of lead, combined with the outer layer of hard smooth tympanpaper, make an excellent impression surface for a printing press,because it adapts itself to different conditions of types in the sameform, and permits various depths of impressions u on the work-sheet,without the fault of b urring the type-impressions.

It is the usual practice to employ inking rollers capable of inking theprinting cylinders for the entire length of the latter, and theserollers on account of their great length are heavily built, and it isthe practice to make them of greater diameter, all of which isobjectionable; and further objection arises because of the difliculty ofprinting some of the forms in diiferent colors from others on the sameside of the web. The rollers are expensive, and a slight defect at anypoint usually makes it necessary to replace an expensive roller.

To overcome these and other objections, and to expedite the operationofgetting the press ready, there are provided sets of inking rollers, andusually one set is provided for each of the forms which are printed sideby side 11 n the web.- If the fan-fold web, for examp e, is to be foldedup into eight plies, four of which lies are printed on one side with asuccession of forms, and four plies printed on the other side with asuccession of forms, then there will be employed preferably eight setsof inkin rollers, each with its own ink fountain. T ese inking sets,however, are made adjustable longitudinally of the printin cylinders, soas to accommodate forms of di erentwidths, and also to permit locatingthe forms in any desired points on the cylinders. While initheillustrations each of the inking rollers is shown of the length for oneform, it is obvious that the inkin rollers may be made each of a len hof two orms, thereby bridging the space tween the two forms, or eventhree forms in some cases. There are used light rollers of smalldiameter, which are cheap and not liable to fatal injury. In- Jury toone roller is not serious, because it can be cheaply replaced, withoutreplacing other inkin rollers in the same or other sets. Each set 0rollers is mounted upon a carriage or frame which is adjustable alongguideways provided upon the framework of the press, and whereveradjusted the carriage may be clamped. Each fountain may carry the samecolors as the other ink fountains, or a different color, thus givin awide range of differences in colors to he simultaneously printed. Asingle distributing roll may be made to answer for the entire length ofeach printin cou 1e, and may be driven by power, and eac of t eink-roller carriages may have one or more rolls to run upon this commondistributing roll. The ink is taken from the fountain in the individualcarria e and transferred by an individual roll to t e main distributingroll at any point where the roll carriage is adjusted, and other rollson each carriage may also run upon the power distribut- 1n roll. Thesurface speed of the power distri uting roll may be higher, for exampletwice the surface s d of the printing 0 linder, thereb doubling theextent to whic the ink is distributed; and an individual transfer rollrunning at hi h speed upon a distributing roll is shifte over to one ofcomparatively low speed upon the form rolls.

Said power distributing roll is common to all the carria s, and the sameis true of a cam-shaft WlllCll extends the length of the press andcontrols the individual transfer of nk from any fountain to the powerdistributmg roll, and also the transfer from the powerdnven high-speeddistributing rolls to the form rolls.

In using the press for book-printing, the original type forms may bemade usually with two pa s extending around each type c linder, t elines readm longitudinally of t e cylinder, and the widt of the websdepending upon the number and the width of the page forms. In book-workpreferably two webs are used simultaneously, printing, for example, tworows of eight ages each on each of the cylinders, thus printingthirty-two pages on each side of the web or sixty-four pages in all,said sixty-four pages occupying the length of only two pages on the web.The longitudinal perforatin of the web may be employed as an aid inoldin the same longitudinally into fan-fold orm, and the transverseerforations on the web may be used in ai ing to cross-fold thefan-folded web back and forth as it emerges from the longitudinalfolding mechanism, thus forming a pack with th1rty-two pages in'each ofthe cross-folds. The transverse perforations aid not only incross-folding the web, but also in severing each sixty-four pagesignature from the end of the folded'web, preparatory to bindin the sameinto book form.

Prefera ly there is provided means for transversely perforating the webat the top of each form, or for providing a weakened line at such pointsfor convenience in tearing the web into its ultimate forms, and forother purposes. This transverse portion or weakening is effectedautomatically by means of a pair of rollers, .which are power-driven andproperly timed, about the same as if it formed a third printing couple,so that the perforating or weakening line will appear at the properpoint near the first line of printing on each form. An aliquotcompensating device is also provided between the second or perfectingprinting couple and the transverse perforating couple, and is adjustableto divide the distance between the contacting point of the secondrinting couple and the contacting point or line of the perforatingcouple into aliquot parts, each equal to the desired length of form.

In order to provide for the relative adjustment of certain single-widthcom ensators, it is necessary that each be mounte for swing ing movementindependently of the other, and this makes it convenient to place eachcompensator upon a pair of rock-arms. These rock-arms, some of whichproject between the ends of the compensatin rolls, which are arrangedend to end upon t e press, make an obstacle where it is desired to printa wide fanfold web. To avoid this obstacle, there is mounted betweensaid pair of compensators and said transversely-perforating couple anindependent compensator, which is the full width of the press and equalto the width of the widest fan-fold web. This wide compensator, ofcourse, is mounted upon rock-arms and is power-driven in the samemanner, and a wide web is assed over this long compensator, leaving t eother compensators to work idly. When narrow webs are used, they may bepassed over said short com ensators and the long compensator runs id y.The long compensator may be adjusted to get the required aliquot lengthof web between the second printing couple and the transverse perforatorcouple,

Itis desired in many cases to punch holes in each printed form forregistering the same in the typewriting machine and elsewhere; and tosecure this result the transverse perforating couple is also providedwith a holepunching cylinder, this cylinder being the companion to thetransverse perforating cylinder. The holes are punched by the set ofradial punches mounted at any desired intervals along the punchincylinder. This set of punches is unadjusta le circumferentially of thecylinder and punches always in the same position; but an adjustment ofthe transverse perforating knife relatively to the hole-punchingcylinder may be effected by circumferentially adjusting the perforatingknife. This circumferential adjustment may be adjusted for eachknife-section, one section being used at one side of the press and theother at the other side of the press, the two sections being broughtinto line when it is desired to perforate a full-width line, but thesections being independently adjustable when dissimilarly printed websare being run through the two sides of the press.

Other features and advantages will hereinafter a pear.

In t e accompanying which are diagrammatic Figure 1 is a sectionalfragment of the impression-cylinder, illustrating the composite lanketand the manner of securing the same.

Figure 2 is a sectional view showing the remainder of the cylinder on asmaller scale.

Figure 3 is a sectional side elevation of the press, showing mainly theright-hand sections of the printing and impression c linders etc.

Figure 4 is a sectional plan ta on at about the line 4 of Figure 3.

Figure 5 is a plan of a double length takeup and tension roll and itsdetachable bracket.

Figure 6 is a sectional front elevation of the press taken at about theline 6 of Figure 3; showing right and left hand sections of the lowertype cylinder and also of the upper impression cylinder.

Figure 7 is a sectional elevation similar to Figure 6, but showing thegear and of the press on a larger scale.

Figure 8 is a side elevation of the aring.

Figure 9 is a sectional elevation o the upper type cylinder at Figure 3,together with one of the detachable and ad ustable inking framestherefor.

Figure 10 is a sectional front elevation showing the manner of adjustingthe multiple compensators between the printing couples.

Figure 11 is a front elevation of one of the individually adjustableink-roller frames.

Figure 12 is a sectional elevation of the upper part of the press,illustrating the punc mg and perforating devices, the intermittentdrawings, all ,of

feeding device and themultiple compensatordevicesbetween the upperprinting couple and the perforating devices.

Figure 13 is alongitudinal sectional view of a troughdike bracketcarrying the blanketattaching devices seen at Figure 1 for theimpression cylinder.

Figure 14 illustrates a thin rubber compound layer for use as a part ofthe impression blanket.

Figure 15 is a plan of the upper portion of the press seen at Figure 3.

Figure 16 is a sectional view of a tubular slotted stereotype orelectrotype embodying several forms in one casting or piece.

Figure 17 is similar to Figure 5 but shows two independently operabletake-up or tension rolls.

Figure 18 illustrates a stage in the operation of attaching or removinga stereotype or electrotype tube.

Figure 19 is a sectional'plan of the press taken at about the line 19 ofFigure 3.

Figure 20 shows book-paging diagram of front and back of a single-widthweb-section.

Figure 21 shows the printed web in fanfolded and partly open condition,and shows how the perfected web is composed of a repetition of thesection seen at Figure 20.

Figure 22 is a sectional bottom view taken at about the line 22 ofFigure 3.

Figure 23 is a diagram or development of the screw mechanism connectingthe ends of one of the straps which hold the stereotype upon a typecylinder.

Figure 24 is a view of the strap.

Figure 25 shows a crosssection. longitudinal section and plan of one ofthe detachable punchers which are individually adjustable longitudinallyof the punching cylinder.

A sin le-width web 21, of about half the width 0 the press seen atFigure 6, is led up at the right-hand side of the press between type andin'ipression cylinders 22, 23 of the first printing couple, Figure 3,and then up between the type and impression cylinders 24, 25 of thesecond or upper printing couple, whereby the web is per fectcd. Fromthence it is led up around a compensating roll 54 and down to a pair ofpunching and perforating; raylinders 2T, 28, from which it passes to ee-rolls :39, 30 at the rear 0" delivery end of the mess. These fed-rollsco operate with a we -sxu1bbing jaw or clip 31. at the intake side ofthe press, to control the stopping and starting of the web, while theprinting cylinders and the feeders 29 and 30 constantly revolve atuniform speed, as well as the cylinders of the perforating couple 27,28. At Figure 3 the jaw 31 is shown open, permitting the web to advancethrough the press. The intermittent advance of the web is caused by therolls 29, 30, the latter of which is held firmly against the former atintervals by means of a cam 32 at the right-hand side of the press. Uponthe cam rides a roll 33 which is provided upon an arm 34 that is fixedto a rock-shaft 35, from which depend bail arms 36 carrying said roll30. The cam 32 is detachably mounted upon the right-hand end of powershaft 37 of the constantly revolving cylinder 27, and for its greaterpart is concentric with said shaft, and so maintains the feed-rolls 29,30 temporarily in contact, and thus determines the length of eachprinted section of web. The cam has a depressed portion 38, and it willbe seen that when the roll 33 falls into said depressed portion, theweb-feeding roll 30 separates from the feed-roll 29, thus releasing theweb. At the same time the clip 31 is caused by a spring 39 to snapagainst a stationary aw 40, the web being thus gripped in a vise, sothat the web is suddenly and effectively arrested or snubbed, andaccuracy of form-register and equality of length of the web-sections aresecured. The clip 31 is connected to the feed-roll 30 for simultaneousmovement, so that at the release of the web when either opens, the othercloses upon the web. The spring 39 operates on an arm 41 fixed upon arockshaft 42, which carries arms 43, between which the clip 31 extends;and extending oppositely from the rock-shaft 42 is an arm 44, to whichis pivoted the lower end of a right-hand pull link 45, whose upper endis pivoted at 46 to the arm 34. After traversing the depressed portion38 of the cam, in which it is held by spring 39, roll 33 rides againupon the elevated portion 32 of the cam. The movement of the roller outof the depressed portion of the cam is accompauied by an openingmovement of the clip 31 and a closing movement of the feed-roll 1 whichis forced by cam 32 against the power-driven feed-roll 29,.whereby theweb :ulvanred at a speed which equals the surfa e speed of the printingcouples. whose diameter equals that of feed-roll 29. The cam 32 may beremoved and other cams of different lengths substituted therefor, tolengthen or shorten the step-by-step feed of the web, and hence alterthe length of the printed web-sections, or accommodate different kindsof work. The length of the elevated part 32 of the cam corresponds withthe length or circumferential extent of the form, which, of course, maybe made of any desired dimension within the capacity of the printingcylinder. It is therefore necessary to use only one printing form,regardless of its circumferential extent. since, after said form prints,the web remains motionless until the printing couples, etc, completetheir revolutions. whereupon the web again advances between the printingcouples to receive perfecting impressions on its opposite side, whilereceiving a fresh impression upon its first side. There is thus a savingin the cost of setting up and duplicating the forms, and

length of we a saving in the cost of getting the press ready, since onlya single form has to be made ready for each page. The press ,is capable,however, of printing a duplication of short forms at each revolution ofthe cylinders.

The link or rod may be lengthened or shortened by means of a turn-buckle45", so as to secure accuracy and co-operation of the web-releasing andbiting devices at the intake and delivery ends of the press.

Inasmuch as the forms may vary in length (circumferentially) the longestone being four or five times as long as the shortest one, amultiple-form or ali uot compensating device is provided between t eprinting couples, said compensating device, for example comprising a baror apron which extends the width of the web between the printingcouples, and may be adjusted sufliciently to compensate to the requiredextent for the difference in the length of the forms, thecompensator-bar or section at the right side of the press being numbered47, Figures 3 and 6. This difference is not necessarily equal to thedifference in length between the shortest form and the longest form,inasmuch as two, three or four successive sma forms printed on the webmay be taken as a unit in considering the extent ofad'ustment of thealiquot compensator 47. T erefore the difi erence between the shortestreach of web at this point and the longest reach would need to equalonly a little in excess of the circumferential printing field of thetype c linder 22 or 24. The greatest 5 between the printing couples mayequal about twice the circumference of the printin cylinder, or less.The adjustment may be effected by means of a hand wheel 48, secured upona shaft 49, having at its inner end a pinion 50, meshing with rack teeth51 formed upon horizontal rods 52 that are suitably guided in brackets53 and carry the compensator-bar 47 at their outer ends, Fi ures3, 6,10.

n aliquot or multiple-form compensator is also provided between theperfecting printing couple and the punching and perforating cylinders27, 28. This compensator may be in the form of a roll 54, Figures 3, 6.t is prcferabl a power roll, having a shaft 55, whereby it is mounted inswing arms 56 extending from a hollow shaft 57, upon which is alsosecured a worm-wheel or segement 58, with which meshes a worm 59operated by a j hand-wheel 60 supported upon a fixed bracket 61 on theright-hand portion of the framework. By turning the wheel 60, the arms56 may he swung up and down in unison, thereby extending or reducing thelength of web between the perfecting printing couple and the perforatingcylinders, until each form or transverse web-section equals an aliquotpart of said length; the range of adjustment being as great as that ofthe compensator-bar At the intake or bottom end'of the press, the paperis led in from a roll (not shown) and passes first between slowpower-driven feed-rolls 62', 63,.Figures 3, 6, rotating at uniformspeed; and the paper-supply roll may be provided with the usual brake,to keep proper tension upon the web advancing to said feed-rolls 62, 63.From said slow feedrolls the web is led over a vibratory take-up andtension roll 64, Figures 3 and 17, which is carried upon arms that arefixed upon a transverse rock-shaft 66, from which extends an arm 67, towhich is attached a tension spring 68. It will be perceived that sincethe web in the press advances intermittently, while the feed-rolls 62,63 revolve slowly at uniform speed, the tension roll 64 operates as atake-up, and vibrates to and fro while the printing proceeds. The s ring68 maintains a constant tension on t e web, in cooperation with atake-up and tension roll 69 at the delivery side of the feed-rolls 29,30. Said roll 69 may be carried upon arms 70 that project from arock-shaft 71, and the web tension may be maintained by a spring 72,which pulls on an arm 73 also secured upon said rock-shaft 71. The web21 passes from the high-speed feed-rolls 29, 30 over said tension roll69, and thence to the bite of a pair of power-driven delivery feed-rolls7 4, 75, Figures 3, 15. These delivery rolls move at uniform speed atthe same rate as the roll 63, being connected thereto by a gear-trainincluding top pinions 76, 77, a vertical shaft 78 and bottom pinions 79,80, Figure 6. Feed-rolls at its inner end may be carried upon a midwayrear bracket 80 rising behind the web from one of the flanges 115. Roll62 at its inner end may be journaled in a midway arm 80 on transversebar 80 of the framework, the bar and arm being within the first loop ofdouble-width web, Figure 3.

The speed of the feed-roll couples 62, 63 and 74, 75 may be jointly andselectively determined by the use of any suitable variable speed device,as, for example, a pair of cone-pulleys 81, 82, connected by anadjustable belt 83, Figure 6. The means of adjusting the belt is notshown, as the adjustment of the belt of a cone-pulley is known. The cone81 may be fast upon a shaft 84, Figures 3, 6, 15, upon which is fixed abeveled gear 85, driven by a beveled pinion 86 at the top of a generaldrive shaft 87 (Figures 6, 7, 8) at the gear (left hand) side of thepress; said drive shaft having a driving pulley 88. The speed of thecone 81 is uniform. The cone 82 is fixed upon a shaft. 89, Which carriessaid pinion 76 and said roll 75. The belt 83 may be adjusted along thecone-pulleys to increase or diminish the speed of the introductoryfeed-rolls 62, 63 sutliciently to feed the web into the press exactly asfast as it is used up by the co-opcration of feed-rolls 29 and 30, cam32 and web-arrester 31; and

under tension, both when trave ing and when stationary, and conducing toperfection of the intermittent feed of the web, so that the forms areprinted thereon at equal intervals, and consequently assuring registryof the forms upon one side with those upon the other side of the web.

After passing over the introductory tension roll 64, the web is led overan apron or bar 90 to pass u between the web-arresting jaws 31, 40, thisbar 90 being placed between the tension roll 64 and the introductorfeedroll 63, so as to permit the forming o a tensioning'loop in the webat 91, Figure 3.

As the web rises through the first printing couple, it may pass around adeflector 92, Figure 3, on its way to the compensator 47 and from thenceit may pass over a deflector 93 on its way to the perfecting couple 94,95. The deflector or apron 92 may also serve to strip the web from thetype cylinder 22; and a corresponding stripper 96 may be placed at thedelivery side of the type cylinder 24.

There are illustrated stereotypes adapted to print fan-fold webs fortypewriting use; but the press is not limited to this class of work. Inprinting fan-fold webs, alternate forms are printed upon op osite sidesof the web, so that when the we is fan-folded longitudinally the formsprinted thereon *face all the same way. Accordingly, Figures 6, 7, thetype forms 97 on the lower cylinder 22 alternate with the t pe forms 97on the upper cylinder 24; where y columns or forms are printedalternately on op osite faces of the web. As man forms as esired may becast in the form 0 a tubular stereotype 97', Figure 16, the type formsbeing indicated as 97 and the intervening tubular blank or webportionsas 98, the tube fitting upon an of the t-zype cylinders as 22, 24, 97"or 100, 1gure It is desired, as conducive to rigidity, accuracy andsimplicity, that the cylinder should have bearings directly in theframework of the press, and yet of such a nature as to admit of the useof a tubular form of stereotype. To this end the right-hand side of thepress at Figure 6, which is the side 0 posite to the gear side,comprises a frame which has an integral bearing 99 for the main shaft100 of the lower type cylinder sections 22, 100, this hearing in theform of a boss which may be cast directl upon the side 101 of the frame,and connecte to the body of the side frame 101 by means of a relatlvelynarrow neckportion 102. The longitudinal o en-ended slot 103 in thetubular stereotype, igure 15,

is of suflicient width to enable the tube to be slidden over the boss 99and over said neck 102 (Fi re 18) onto the cylinder 22, where it may 0secured by means of straps 104 (Figures 6, 9, 23) passed around thewebportions 98 of the stereotype. When it is desired to remove orreplace a stereotype, Figure 18, the press is turned to such positionthat the longitudinal clearances or cutaways on the cylinders aretogether in each couple. Then the stereotype is slipped over the boss 99and the neck 102, Figures 6, 18, and onto the cylinder 22. Thestereotype does not contact with the blanket on the impression cylinder,which, at this time, has its cutaway portion nearest to the typecylinder. The stereot pe, having been shoved along the type cylin er tothe desired extent, is now revolved upon the stationary cylinder untilit reaches the desired rotative adjustment thereon, whereupon thestereotype is fastened by any suitable means, which may include thestraps 104. The internal cylindrical diameter of the stereotype may be ashade over the diameter of the type cylinder, so as to give clearanceand freedom in thrusting the stereotype onto the cylinder and adjustinit around the same. It will be understood from Figures 4, 5, 6 and 7,that the type forms 97 on lower rear cylinder 22 have a staggered orechelon relation with those on upper front cylinder 24.

The framework of the press may comprise table-portions 105 having legs106, 107. Upon the table-portions may be adjustably secured, by bplts108, the bases 109, 110 of frames, each comprising opposite sides 101,111. The forward frame has a front wall 112, and the rear frame has avertical wall 113. The impression cylinders may be journaled in bosses114, Fi res 4 and 18, similar to 99 and level therewit and cast directlyu on the side frames. To conduce to stiffness o the framework upper andlower flanges 115 and 116 may be cast therein at the level of thecylinders in each printing couple. The neckortions or webs 102 are castdirectly upon 1: ese stifl'ening flanges, so that the cylinders areproperly supported for making the impressions on the paper-web.

Inasmuch as it is desired to print webs of great width by means ofimpression c linders and type cylinders of relatively smal diameter (sayfrom 6 to 10 inches) and therefore relatively weak, the press ispreferably so organized as to provide a midway support for each of thefour hea main shafts 100, 176, 121 and 122 in the printing couples,without making the press unavailable for printing webs of greatwidth.Such a web of course must pass by said midway supports, and it mustreceive impressions from the type cylinders in the region of saidsupports. In order to overcome the difficulty of supporting theclyinders under such conditions, advantag: is taken of the fact that thefan-fold we has on each face alternate printed and blank columns. Theprinted column on each face of the web is in re ister with the blankcolumn on the opposite face thereof. At Figure 6, which represents therear portion of the press seen at Figure 3, and therefore shows thelower type cylinder 22, it will be seen that there are employed twostereotype tubes 97, of which the left-hand one has two type forms, andthe right-hand one three type forms. It will be noted that thelongitudinal spacing of all type forms may be equal. In the spacebetween the second and third type forms, there is a bearing 117 for mainshaft 100, which extends unbroken from one side to the other of thepress. This bearing 117 corresponds to 99, and is in theform of asuitable nec cast upon a midway ledge 119 projecting forwardly from therear wall 113 of the framework. Inasmuch as the bearing 117 occupies a sace between adjacent forms 97, it will be un erstood that no impressionis to be made at this point by means of the lower printing couple 22 23;and hence it is permissible to use a fixed bearing 117 in this place.The double-width web may extend the entire distance from side to side ofthe press, and may be rinted by all of the five type forms seen at t elower part of Figure 6, as well as by the five type forms of the up erprinting couple seen in Figure 4; the we advancing up past the midwaybearing 117.

When the web reaches the upper printing couple, it must receive tvpeimpressions upon its op site face, inclu ing an impression in the coumnor zone which is left blank between the second and third forms 97 inFigure 5. A hearing 120, Figures 4 and 9, for shaft 121 of the upperprinting cylinder, which shaft extends the entire width of the press, istherefore provided upon the front midway wall or partition 120, at apoint directly above the third printing form 97 at Figure 6. Thisbearing 120 is substantially level with a rear bearing 122, which formsa midway support for the shaft 123 of the two upper impression cylindersections 25, which taken together extend the entire distance from oneside of the press to the other. The imression cylinder 25, it will beunderstood, is divided into two similar sections mounted and fixed onthe same shaft 123. The fixed bearing 122 separates said parts, and isin a zone which is left blank on one face by the printing couple 24,25,.said zone having been filled on the opposite face of .the web by theprinting couple 22, 23; the web advancing up past both bearings 117 and122, the staggered relationship of which thus permits themidwaysupporting of the shafts. Each bearing occupies a zone which isleft unprinted on both sides by its associated printing cou le, and saidbearings 117 and 122 are there ore out, of line with each other atFigure 6.

Hence a web may be used which is longer than either of the impressioncylinder sections 25, and may extend the full width from one to theother extreme side of the press. The midway bearing 122 of the lowerimpression cylinder 23 is in line with 117 but separated therefrom.

When arranging the type pages or forms on the imposing stone, the rinterwill first arrange suitably the mid le type pages with reference to themidway bearings in the press. Then he will arrange all the remainingtype pages with reference to these midway pages or forms.

These opposed midway bearings for each printing couple fall short ofmeeting each other, so that a narrow space is left between them for theupward passage of the web. Moreover, the diameter of each bearing 117,etc., is the same as that of bearing 99, so that a tubular stereotype97, Figures 6, 16, 18, may be slidden over the bearin 99 along the firstsection of the type cylinder, and then right on over the midway bearing117 and onto the second or left-hand section of printing cylinder atFigure 6, and there secured. Then another tubular stereotype may bepassed over the same bearing 99 and over the first or right-hand sectionof type cylinder and there secured, the stereotypes extending end to endand working in co-operation to print a single longitudinal row of formsupon the web; the forms on one stereotype being properly aligned withthose u on the other, the same as if it were all a sing ecylinder.instead of two sections. The midway support permits theprinting of a web up to say eight feet in width, while making itunnecessary to employ printing cylinders of great diameter, asheretofore found necessary in printing wide fan-fold webs.

The foregoing detailed description of intaking and delivery rolls,take-up and tensioning devices, and compensators, has been moreappropriate for a narrow or singlewidth web not reaching to the midwaypartitions 119, 120", then for a double-width web which extends the fullwidth of the press. Two single-width webs may be run side by sidesimultaneously through the press, one at one side of the partitions 119,120, and the other at the other side thereof, and on either web theremay be printed either long or short forms independently of the other;each of the single webs having its own intake, tensioning, intermittentfeeding, compensating and delivering devices.

At Figure 6 it will be seen that the intake rolls 62, 63 havecounterparts forming extension rolls 125, 126 co-axial therewith,respectively. For each pair of these intake rolls there is provided aseparate tensioning device 126' similar to 64, Figure 17, eachtensioning device in the same zone with its associated intake rolls.These rolls are journaled in swingarms 65 hinged upon arms 126" of abracket 126, Figure 17. The bracket is fastened to the framework bythumb screws 126 or other devices permitting withdrawal of the bracketand its rolls as a unit, and the substitution of the bracket 126, Figure5, having only one roll, which is double length. The delivery rollbracket 126, Figure 3, is similar to 126, carrying two rolls end to end,and substitutable by a bracket similar to 126 and carrying a singledouble-length roll 69, as will be apparent.

At each side of the ress there is also a webarresting clip or snu her.One of them has already been described as comprising jaws 31, 40. Thefixed jaw 46 extends the full width of the press, and the right-handmovable jaw 31 has a left-hand counterpart 127.

The left drive roll 126 at Figure 6 is fixed upon a double-length shaft128, which is connected with a gear train through pinions 129, 130,vertical shaft 131 and pinions 132, 133, (a counterpart of train 7 6-80)to speed-regulating cones 134, 135, the latter being a power cone, andthe same being connected manually by an adjustable belt 136, which is acounterpart of belt 83 at the right-hand side of Figure 6. The left-handroll shaft 128 therefore revolves at uniform speed at a rate ofadjustment determined by the belt 136. The intake drive roll 63 is fixedupon a sleeve 138, to which is fixed said pinion 80, the sleeve 138being loose, so that the roll 63 may be revolved independently of theroll 126, thereby accommodating two single-width webs passing throughthe press at different speeds, one at the left-hand side of the pressand one at the right-hand side.

The intermittent feeding mechanism for the left-hand web at Figure 6includes a webarrester or snubber 127, which is a counterpart of 31 andis mounted on a air of arms 139 similar to 43, which extend rom arockshaft 140, similar to 42, carrying an arm 141, from which rises arod 142, which has a length-adjusting turn-buckle 143 and is connectedat its upper end to an arm 144 corresponding with 34 and fixed to a rockshaft 145. The arm 144 has a. roll 146 corresponding to 33 and ridingupon a removable cam 147. This cam is similar to 32, but it may have adifferent length of deression 38, according to the length of the ambeing printed. As the rock-shaft 145 is vibrated by means of said cam.against the power of a spring (not shown, but similar to 39), arms 148are vibrated, carrying a shaft 148' and feed-roll 149 (counterpart of30) against a power-driven feed-roll 150 (counterpart of 29), Figure 12,on power shaft 185, which extends unbroken for the entire width of theress.

At lgure 6 there is also shown at the lefthand side a compensator 151forming a counterpart of 47 and adjusted by means of a wheel 152, shaft153, pinions 154, 155 and rods 156, which carry the compensator, andhave rack-teeth 156, Figure 8. The compensator 151 may be set to adifferent position from 47 as may be needed, if forms of difierentlengths are being rinted upon the difl'erent we s There is also providedat the left side of Figure 6 a compensator roll 158 (counterpart of 54),which may be set to a different position from 54, or to a similarposition, as required. At the delivery end of the press, on theleft-hand side, a tensiom'ng roll (similar to 126 at Figure 17) isprovided, which is similar to 69 and is similarly mounted and operated,the tension rolls being, of course, independent of each other. Theuniformly revolving slow delivery rolls 74, 75 have a counterpart at theleft-hand side of Figure in rolls 159 and 160. Either roll ma beconnected to a shaft 161, on which is fixe the cone 134, which isconnected to gear-train 129 to 133 with the intake feedrolls 125, 126 torevolve at the same speed; it being understood that both intake anddeliver rolls are controlled by the same speedre u ating cones 134, 135.

en a double-width web is to be printed, or a web which is too wide torun between the midway partition 119, 124 and either side of the pressat Figure 5, the above-described intake, tensionin intermittent feeding,compensating an delivering devices may be harmonized or set up or resetto form double-length devices for employment with the double-width web.

The intake roll 63 may be fixed by a setscrew 162 to the drive shaft128, Figures 3, 4, 6, so that the rolls 63 and 126 revolve as one piece,together with the idle companion rolls 62, 125; the pinion 80 being castoil by loosening a set-screw 163 at the lower right-hand part of Figure6. The speed of the intake and delivery rolls is controlled by the cones134, 135, while the cones 81, 82 may revolve idly. The intermittentweb-feeding cams 32, 147 may be similar,.so that the action of the twoweb-snubbing clips 31 and 127 may be simultaneous, and the same may betrue of the two feed-rolls 30, 149. The two compensators 47, 151 for theprinting couples may be brought into line so as to operate jointly forthe wide web, as if made in a single piece.

Inasmuch as the web cannot pass the arms 56, which are pivoted directlyu on the midway partition 124, there may employed the special doublelcngth compensator-roll 26 extending the full width of the press atFigure 6, over which the full-width web is run; the compensator-rolls 54and 158 being idle at this time. The two feed-rolls and 149 act inunison to feed the double-width we It will thus be seen that either adoublewidth web or a singie-width web may be passed through the pressalone and printed upon both sides, and that two single-width webs may bepassed through the press together and printed upon both sides, eachindeendently of the other as to length of form. t will also beunderstood that several very narrow webs may be run side by side throughthe press at either or both sides of the midway artition, and each webprinted upon one side, the length of the forms being the same for allthe narrow webs on each side of the midway partition, but independent ofthe length of the forms of the webs being printed on the other side'ofthe artition.

The foregoing description of e compensator-roll 54 and its appurtenancesis applicable also to the companion compensating roll 158, which,together with its shaft 158", is adjusted independently up and down bymeans of a hand-wheel 164 and roll 165 operating a worm-*wheel 166mounted upon a top portion 167 of the side frame of the press, igures 3,6, 7, 12, 15. The worm-wheel is on one of a pair of arms 168, upon whichthe roll 158 is swung up and down until the length of the web betweenthe top printing couple and. the perforating couple 27, 28 equals amultiple of the length of each form. In other words, each form is analiquot portion of said length of web. The doublelength roll 26 may besimilarly adjusted by means of a hand-lever 169, a roll 170, andworm-wheel or se ment 171, which is fixed to one of a air of arms 172,supporting the shaft 173 o the roll.

At the gear side of the press, Figures 7, 12, may be mounted thevertical drive shaft 87 with its drive pulley 88 and having a helicalgear 174 meshing with a helical gear 175 fixed upon the end of the shaft100 which carries the sections 22 and 100 of the type cylinder in thelower couple. This shaft 100 is geared to shaft 176, which carriessections 23, 176 of the lower impression cylinder, by means of a pair ofgears 177, 178. Also fixed on the drive shaft is a helical pinion 179meshing with a helical gear 180 on shaft 123 of the impression cylinderin the upper rint-' ing couple, the cylinder in this couple ingconnected by gears 181, 182. There is also mounted on the general driveshaft 87 .a helical pinion 183 in mesh with a helical ear 184 mounted onshaft 185 of the power eedroll sections 29, 150 which constantly revolveat uniform speed at the same rate as the printing rolls. The shaft 185of said sectional roll 29, 150 has a gear 186 meshing with a pinion 187of the small vibrating feed-roll 149. The shaft 185 may extend theentire width of the press, and carry upon its opposite end a gear 186"similar to 186 and meshing with pinion 187 on the shaft of vibratingfeed-roll 30 and similar to 187.

Also on said drive shaft 87 is a helical pinion 188 meshing with ahelical gear 189 on shaft 37 of punching cylinders 27, 305;

this shaft 37 also havinga gear 190 meshing with a gear 191 upon t eperforating cylinder 28; said shaft 37 being also used for driving thetiming cams 32, 147 of the intermittent web-feeding mechanism, and thecams being individually removable from said shaft for substituting othercams to suit the work in hand.

At the upper part of said drive shaft is a beveled pinion 192 meshingwith a beveled gear 193, which is fixed to a pinion 196,1ooselyjournaled on the rock-shaft 195, which carries the arms 172 carrying theshaft 173 of double-length compensator roll 26; said inion 196 meshingwith a pinion 194, which is fixed upon said shaft 173 of said roll 26,whereby the latter may be power-driven at all up-and-down adjustments ofthe roll about the axis 195.

The framework includes a midway ledge 195 at the top of the rear wall113, this ledge including bearings for members 57, 195, 74, 35 and 28 atFigure 3. Said ledge may be in line with the lower midwaiy partition119, but is discontinuous or space t erefrom, the ledge occupying aposition within the loop of double-width work-web descending fromcompensator 26 to and around take-up roll 69 and leading up overfeed-roll 75. Roll-shafts 37 and 185 may have a midway support 195" inline with 195' and rising from a cross-bar 195 of the framing. Thissupport 195" rises within the uppermost loop of the doublewidth web, andis in front of ledge 195 and separated therefrom to afford a passage forsaid web.

At the top of the drive shaft pinion 86, similar to 192, uniformlydrives the gear 85 upon the shaft 84, so, that the latter is constantlyrevolving, together with the two cone-pulleys 81, 135 thereon, and, atall adjustments of either roll 54, 158, the arms which carry said rollsbein fixed to sleeves 199, through which said s aft 84 extends, andthere being also fixed upon said shaft 84 a pinion 200 meshing with apinion 201 and corresponding, respectively, to 196, 194, so that theroll 158 is constantly revolved on all up-and-down adjustments thereof;there being also provided upon the right-hand end of said shaft 84 asimilar pinion 202 meshing with a pinion 203 on the shaft 55 of the roll54.

The web in entering the ress is advanced at uniform speed from therake-su ply roll by means of the slow introductory eed-rolls 62, 63, andthen passes around the take-up and tension roll 64 and around the guide90 a loop forming between said guide 90 and said take-up roll, whichvibrates during the operation of the press, as the loop shortens andlengthens always maintains tension upon the web. The web ascends betweenthe snubbing jaws 31, .40, and thence between the cylinders 22, 23 whichform the first printing couple. and then around the aliquot take-up 4 7.and thence up between the cylinders 24, 25 of the second perfectingprinting couple, and thence up around the aliquot compensator 26 or 54.dropping between the punching and perforating rolls 27, 28 to the biteof intermittent feeding rolls 29, 30. From said intermittent feed-rollsthe web loops down and up around takeup and tension roll 69, beingpassed out of the press by the slow uniform power feedrolls 74, 75.There is illustrated only one form on each printing cylinder consideredcircumferentially, and this form may be, for example, from four tofifteen inches in depth, the latter extending around the cylinder to itsfull capacity; but in any case the cams 32 and 147 are proportioned tosuch depth of the form. If the form extends a great distance around theprinting cylinder, then a cam is used whichhas a long dwell portion 32,holding the power feed-roll 30 against the power feed-roll 29 to feedthe Web (at printing cylinder speed) while it is being printed by theforms, and a relatively short depression 38 is releasing the feed-roll30 after the completion of the printing of one form and before theprinting of the succeeding form begins. The web remains stationaryduring this interval, beingheld by the clamp 31 against the jaw 40 underthe control of the same de pressed portion 38 of the cam. The feed-roll30 releases the web at the delivery end of the press as the snubber 31closes u on the web at the intake end of the press. lt will beunderstood that while the web is in stationary condition it is keptunder tension by the roll 69, and that while the web is traveling it iskept under tension by the roll 64; said rolls sufiicing to put thedesired tension upon the web, which at the printing operation does nottravel at very high speed, say at the rate of six thousand impressionsper hour, although not limited to that speed. It will be understoodtherefore that a succession of forms 97 of similar dimensions extendsalong each printing cylinder, said forms making up two stereotypes, thestereotypes in the form of tubes. and that the web remains stationaryduring a predetermined portion of the revo lution of the printingcylinder, which portion may be very small or very large, according tothedepth of the form. Hence it is unnecessary to prepare more than one lineof forms, so that duplication thereof, as heretofore practiced in orderto fill up the printing cylinder, is rendered unnecessary. The labor ofgetting the press ready is reduced by using only one row of forms, eventhough each form extends only a small fraction of the circumference ofthe printing cylinder, and great saving is effected in getting the pressready, so that a run of five thousand or even less may be performedeconomically by reason of the saving in the preparation of the forms andin getting the press ready.

A further advantage is that the original type forms may be all made upin one chase and stereotyped as a unit, whereby each form is broughtinto exact relation or register with the remaining forms while they arein the condition of types, and no realignment is rendered necessaryafter the forms are on the press, whereby a further saving is effectedin the time and cost of making ready; the usual loss of time in makingready 9. press of this character being serious, inasmuch as the press iscapable of a large output while running; and its output is cut ofi whileit is being made ready. Moreover, when the storeotype is cast, it fitsdirectly upon the cylinder, and may be moved to a stop thereon and theresecured, without the need of adjusting the same either longitudinally orcircumfercntially. thereby effecting a further reduction in the time in'which the press must stand idle. The forms maybe arranged in the typechases in their final relation to one another, and the four tubularstereotypes may be cast therefrom and placed directly upon the press,with little or no attention to making the forms ready after they havebeen slipped into place. When the length of the form is I very small, itresults that the web stands still during a large proportion of theoperation of the press, but the time saved in gettin ready is verygreat, and the time required for finishing an order of an ordinarynumber of copies would be only an hour or two, with resultin economy, asthe loss of time in passing t e work through the press is more than madeup b the saving of time in making the press rea y.

Any suitable method may be employed for fastening the tubularstereotypes upon the cylinders, and one of the fastening means may be inthe form of the straps 104, Figures 6, 9, 23 and 24, which, in a varietyof ways, may be used to clamp the form, the straps encircling the deressed web-portions 98 of the stereotypes. Sue method of tightening thestraps may be described. The strap has at each end a keyhole-slot 204,and these slots may catch over buttons 205 on nuts 206, which may travelalong screws 207, Figures 9 and 23, mounted in ends 208 and rising froma base 209, the latter having midway of its ends a transverse rib 210,which has bearings at 211 for the inner ends of the screws 207. Fixedupon said screws are beveled pinions 212 facing each other and also inproximity to each other, so as to be capable of simultaneous rotation bymeans of a. pinion 213. This pinion may be formed 11 on a removable keyshown at Figure 9, said ey comprising a stem 214, carrying said pinion213, and a cross-bar or handle 215. The end of the stem extends throughthe pinion 213 and fits in a shallow bearing 216 in the rib 210, so thatby setting the key down, with its point tubular stereotype may be made,thin, as the straps bind it' securely to-the cylinder, andthe-stereotype may be accurately and cheaply finished uponitslnteriorcylindrical surface, inasmuch as'it is in the form of an open-ended 5tube. It willfbeunderstood that the. stereotype or electrotypemay be'cast .without the slot 10.3.. The.. .web ma continue throughout thecircumferencelof t e stereotype; this extra' web-portion 217, Figure14:, being ref moved and j-.t he:s',lot formed; as; a final' step afterthe stereotype is otherwise finished.

The bases 209'may be set down into a conver en't-sided groove ordepression 218' exten ing the le h of each printing cylinder, said baseseing held in place by the ti htening of the stra s." j

or savingtime'a'nf improving the quality of the type impressions,thereis employed an improved blanket upon each impression cylinder 23 and 25,Figures-1 and 2. {It includes a highly--tensioned soft rubber wrap.-ping 219, overlaidby a sheet or tube'oflead 220, the, latter covered by.another highly tension soft rubber layer- 221, which is covered by aprotecting wear-resisting sheet or superposed sheets of 'suitable'tympanpa er 222. The thickness of the-composite bla et may be only {50f aninch,-or as much-as a quarter of an. inch kand some latitude ispermissible in the. thic nesses ofthe various layers. Theleadconduces'to" sharpness of impression, and also has a furthercharacteristie that c ompensates.to.-a-icertain extent for unevenness inheights 'ofthi'atypes or forms on the printing'cylinder. qItftends tomake the printing very sharp andclear, even if the types are worn. Ifnew types and-old types are used sideQby aside,theflead tends tocompensate for the inequality. The "lead is sufliciently resisting topressure to form; a support for thefpaper as "it'is being squeezed bythe inked t pesso that-ink is transferred to the-paper. But wherever thepressure is excessive, the.leadxyieldsylocally, owing to its plasticity,thus; permitting the neighboring to; printclearly; j'lhe' lead layer ortube may bein'sonie case'sas thick as ei an inch, "and in other casesmaybe quite thin; and in some cases-it'may'made up of two or more layersor wrappingsfof lead. However, .it 'sh(mld-.be smooth "and of uniformthickness" throughout. it will bemostusedneanits advance edge, it may beremoved and reversed from time to time, so

'duces to the desire quality as to present relatively fresh portions tothe types.

The underlying blanket 219 of soft rubber may be highly tensioned, so asto be both extremely hard and highly elastic. This also .aids in makingthe type-impressions sharp,

punishment, by the types. The overlying Y layer or layers 222 ofsuitable tympan paper protect the rubber andlother layers framinury, andmay be more frequently renewedthan the underlyin layers, and it also conof type-impressions upon the work-web- 'One method of producing atensioned under layer 219 is to wrap a-web of thin vulcanized .purerubber 223 to form a skein, as at Figure 14, around bars 224. This rub-.ber may be of a high quality similar to that used for dental purposes,and upon wrapping the same around said bars, its layers may be cementedtogether. Then the projecting ends of one bar 224 may be caught atthe'other side of the box, Figure 2.fIn* I pulling this blanket around thecylinder, the rubber should be ver much' distended and packedtightlyupont e cylinder, to which-it may in some cases be cemented or attachedby shellac, to conduce to stability and durability.

In place of the multiple-ply seen at Figure 14, the rubber blanket may'be made ofya single tube of high-grade rubber, and the bars 224inserted within thetube, and the same may be stretched and caught in'thesame manner around the impression cylinder.

If desired, the im ression cylinder may be first-covered by a s eetofhard, toughp'aper held theretoby shellac; and the rubber may 1 beattached to the paper by shellac or oement. Similarlayers of tough papermay be 1 interleaved with the various rub er layers and cementedthereto, thus conducing to stability and durability. The-layer of eadmaybe secured in any suitable manner, as, for instance, by'provlding itwith pro ecting bars 230 to catch under the same-hooks 225, Figure 1.This lead blanket should fit tightly and smoothly upon the rubberblanket and should have a true and smooth cylindrical-outer face.

The outer thin la er of rubber may be provided with similar ars catchingin the same manner under the books 225, Figure 1. The outer aper layersmay be wound upon revolu le tightenin rods 232 pivoted in the arcuateends 233 0 box 227 and rotated to tighten the paper by means not shown;rotating devices for tightening tympan paper being known, Theentire-composite blanket, including the paper, the rubber and the lead,is very hard, and tends to 'pack under the repeated impressions of the tpes, and hence to compensate for wear an other unevennesses of thetypes; so that the usual special making read in the nature of providingoverlays or the blanket and un erlays for the stereot s, is reduced oreliminated. This compositz h lanket may be considerably varied withinthe scope of'the invention, and it is not necessar in all cases to useall ortions thereof. oreover, this feature 0 the invention is useful onother printing cylinders and in various kinds of presses, includin theflat'platen variety.

otwithstanding the opening left in the impression cylinder forthe'blanket-securing box frame 227, the periphery of the cylinder may bemade substantially continuous by the use of a segmental filler plate233, Figure 2, extendin the length of each linder or section, an curvedin conform ty therewith,

' and substantially. bridging the space in the inder is shown extendingthrough a havin the form of a boss 235, of somewhat less diameter thanthe type cylinder 24, and

cylinder which isflleft open by the inturned blanket ends. This platemay be attached after the blankets are in lace, by means of studs 233 attheends o the plate, having reduced ends 233 which are secured in holesin the box and'oylindefr casting. This con: duces to uniform tautnessandsmooth runninlgland accurate feedinglof the web.

e great length 0ft 0 'rinting couple shafts may render it desirab e insome cases to provide for i pression. adjustment at the midwa sup ortmgwalls or gartitions throu whic the shafts pas. no form of suc ad'ustmentis illustrated at Figure 9, in which t e shaft 234 of the upper typecylbearing formed upon the inner end of a stem or shank 236,.which fitstightly in a bore 237 in the partition 120. -'1 e outerend of this stem13 indicated at 238. Into the end of the stem is threaded a screw 239,having formed thereon, near its outer end, a flange 240. A cap 241 isfixed upon the framing an confines the screw against endwise movement.By turning the screw in one direction, the stem 236 and bearing 235 arethrust rearwardly or to the right at Figure 9, thereby increasing theimpression. By'turning the screw in the o posite direction, theimpression may be ecreased at this point. The screw maybe provided witha lock-nut 242. It will be understood that each of the four printingcouple shafts may be thus adjusted about midway of its length.

The outer ends of the shafts may also be ad'usted toward and from eachother in each printing couple, by loosenin the bolts 108 which hold thetwo standing rames onto the table, and then turning side bolts 244,Figure 7, to draw the cylinders toward each other or separate them, ateither end of the press, Figures 4 and 7, the same being secured bylock-nuts 245. Fine adjustment may be secured by the use of 00-0 ratingstops 246 in the form of rods, Figure which may be threaded into one ofthe lugs 247,

Figure4, extending from the sides of the framework, and bearing at itsend against so that the front and rear the other lug);

e forced apart, together with frames may.

the cylinders; the bolts 244 then-being used to draw the lugs 246.

The plan is discarded, which is common in web presses, ofusingink-rollers of about the same length'a's the type cylinders, because ofthe objectionably great diameter andweight of said rolls and theirinadapb ability to small forms and liability to' small tightly againstthe stops injuries which renderthe whole roll useless;

, and also because of the difficulty in using more than one color of inkthroughout the length of the roll. To overcome these objections and gainfurther advantages, there is employed a series .of ink-roll 'sets,therolls in each set being ailittle longer than the length of a type orm97, and each series of rolls being mounted in a frame and formingtherewith a unit, which is settable or adjustable to any desired pointor zone .along he type cylinder," Sets of units of assorted sizes may bekept in reserve,--'for use with forms of different len hs, While thereis illustrated a. unit .whic is about coextensive in length with one ofthe form's, it will be understood that the length of any unit'may bedoubled, or tripled, so asto 1 ink two or more of said forms if desired.

An assortment of sizes of units may be kept in reserve, some offractional size as compared with those illustrated, and some doublesize, and so on. Each unit may comprise a pair of dide plates 248,Figures 3, 6, 9, 11, be-

tween which extend inking rollers, several of which may be journaled inthe side plates.

257 journaled at its ends in the side plates 248. This roll 255transfers the ink to a distributing roll 258 having a shaft 259journaled at its ends in the side plates 248. The arms 256 are swung inone direction b means of a sprin 260, and in the other direction by ameans 0 a power-driven cam-shaft 261,-which extends the full width ofthe press and is common to all the sets of ink rolls at the front of thepress. The distributin roll 258 runs upon a power-driven distri utingcylinder 262 extending the full width of the press, and

I also common to all of the inking sets at the front of the press,wherever-they are adjusted. Upon this distributing cylinder also rundistributing rolls 263 and 264, similar'to 258.

In contact with the last roll 264 runs a transfer inking roll 265 whichmay be of relatively great diameter, and mounted upon arms 266 integralwith the vibrating arms 256, and

swinging up intermittently away from the roll 264 and into-contact witha-form roll 267. There is also provided another form roll 268, and athird roll 269 rides upon the form rolls. The form and rider rolls maybe mounted upon a swiveled frame 270, pivoted between the ends of arms271 that are fast upon a rock-shaft 272, the end of which are journaledin the side plates 248; a spring 273 keepin the form rolls in contactwith the form. Pre erably a stop 274 is engaged by an arm 275 into ralwith 271 and prevents over-swinging of t e form rolls. A't Figui'e 9,which shows one of the inking units at the front of the press, the powerfor driving the'inking devices issupplied b a short vertical countershaft 276, whose ower end has a beveled pinion 277 meshing with abeveled gear 278 fixed upon the shaft176 of the im ression cylinder 23of the lower couple. worm 279 on said shaft meshes with a worm-wheel280, which, revolves the cam-shaft 261, at low speed, the shaft 261being engageable by the rolls 281 on the lower ends of the vibratingarms 256 of the various inkin units, so that,

ink is transferred from all t e doctor rolls 252 toall of thedistributing rolls 258 in'the sets of the inking units, and so thatthetrans fer rolls 255 and 265 are also operated, the cam 261 driving thearms256 in one direction, and the springs 260 returning the arms towardsthe right at Figure 9. Also mounted on said shaft 276 is a beveled-gear282,.mesh ing with a beveled pinion 283 upon a shaft 284 of thedistributing cylinder 262, which accordin ly is effective upon. all thedistributing rolls 258, 263, 264 in all of the sets, which may bearranged side by side along this part of the press. The distributingcylinder 262 may revolve at twice the surface speed of the type cylinder24, or at a higher rate, so as to accelerate and promote thedistribution of ink; the transfer roll 265 revolving at high speed whenriding upon the distributing roll 264, and revolving at low speed whenriding upon the form roll 267. It will be seen that owing partly to thelarge circumference of the roll 265, which is equal to more than half ofthe height (circumference) of the highest type form, and partly to thespeed of distribution secured by the rapid cylinder 262,

an even distribution may be secured.

The inking unit frame 248, 249, 250 is adjustable along guide rails 285,286 formed in the front and rear of the press, extending from the midwaywalls or partitions to the sides of the press and integral therewith. Asufficient space is left between the upper and lower tracks 285, 286 topermit the inking unit to be inserted between them to its workingposition, and to be withdrawn from the press. Each unit may be clampedin place by linger-nuts 287 threaded upon studs 288 projecting outwardlyfrom bars 249, 250, said nuts having flanges 289 which catch on the rearsides of ledges 290 that frame the openings in the front and rear wallsof the press. The rails 285, 286 lie at some distance inwardly from saidledges 290, to give room for the studs 288 and flanges 289. Each flange289 is cut away at 291; and, when said cutaway is rotated to horizontalosition, the flange clears ledges 290, permitt1ng the withdraw'al of theinking unit from the press.

It will be understood that the inking units may employ all the samecolor of ink, or each may employ a different color independently of theother units, and that the distributing cylinder-262 can accordinglyaccommodate a succession of different colors received from the differentunits, without bleeding of color from any unit upon the succeedin typeform.

It will be seen that the distri uting rolls 258, 263, 264 are all at theleft or upper side of the distributing cylinder 262, which remains inthe press when, the inkin unit is detached, so that said rolls are easilwith drawn from the cylinder. In detac ing, it is preferable to draw thebottom of the inking unit forwardl until the top roll 264 is forward ofthe istributing cylinder 262, andv then to let the inking unit descendas it is being withdrawn forwardly from the press,

The inking rolls in each unit are all o'f-the which is an advantage,particularly where eniy onenarrow web is being printed, which

